- 1. What is 1,000,000 as a power of 10?
- 2. A student showed that 1.5 x 100 is the same as 15 x 10 since both expressions equal 150. What number would make the following equality true? 4.2 x 100 = __________________ x 10
- 3. Consider the number 77.9999 Which statements are correct? Select three that apply. A.
The number rounded to the tenths place is 77.9. B.
The number rounded to the tenths place is 78.0 C.
The number rounded to the hundredths place is 77.99. D.
The number rounded to the hundredths place is 78.00. E.
The number rounded to the thousandths place is 77.999. F.
The number rounded to the thousandths place is 78.000.
A) A, C, E
B) B, D, F
C) B, C, D
D) A, B, C
- 4. Which statement is correct?
A) 0.3338 rounded to the hundredths place is 0.34
B) 0.2377 rounded to the tenths place is 0.3
C) 0.4883 rounded to the thousandths place is 0.4888
D) 0.6492 rounded to the tenths place is 0.65
- 5. Madison claims that when she divides a power of 10, she moves the decimal to the left for each power of 10. Complete the chart to support Lisa’s claim.
- 6. Which of the following are correct? Select three that apply. A.
100 = 102 B.
10,000 = 104 C.
1,000,000 = 106 D.
1,000,000,000 = 108
A) A, C, D
B) B, C, D
C) A, B, C
D) A, B, D
- 7. Round 123.432 to the nearest hundredth.
- 8. In the number 4.783, 4 represents ones, 7 represents tenths, 8 represents hundredths, and 3 represents thousandths. In which numbers does 7 represent 1/10 as much as it represents in the number 4.783. Select three that are correct. A.
3.072 B.
7.283 C.
6.974 D.
2.997 E.
5.575 F.
4.742
A) B, D, F
B) A, C, E
C) B, C, D
D) A, B, C
- 9. Compare the two numbers below. How much smaller is the 9 in the first number than the 9 in the second number?
A) 1/10 of the size
B) 1/9 of the size
C) 1/100 of the size
D) 1/1000 of the size
- 10. Enter the number equal to the value of the expression.
(9 x 10) + (8 x 1) + (5 x s) + (4 x 1/100) + (2 x 1/1000)
- 11. Which of the following expressions are true? Select three that apply.
A.
0.071 > 0.271 B.
0.800 > 0.023 C.
0.112 > 0.074 D.
0.045 > 0.230 E.
0.822 < 0.110 F.
0.004 < 0.400
A) B, C, F
B) B, D, E
C) A, C, E
D) A, B, E
- 12. Which expression is equal to 69.204?
A) (6 x 10) + (9 x 1) + (2 x 1) + (4 x 100)
B) (6 x 10) + (9 x 1) + (2 x 1/1) + (4 x 1/100)
C) (6 x 10,000) + (9 x 1000) + (2 x 10) + (4 x 1)
D) (6 x 10) + (9 x 1) + (2 x 1/10) + (4 x 1/1000)
- 13. What is the product? 8492 x 38 =
- 14. Which equation has the same unknown value as 714 ÷ 12 =
A) ÷ 714 = 12
B) 714 x = 21
C) ÷ 12 = 714
D) 12 x = 714
- 15. What is the answer to the division problem below? 2880 ÷ 30?
A) 96
B) 816
C) 841
D) 906
- 16. Find the quotient. 525 ÷ 15 =
A) 55
B) 35
C) 45
D) 25
- 17. Find the difference. 314.04 - 81.7 =
- 18. Find the sum. 29.4 + 7.82 =
A) 37.22
B) 36.22
C) 1076
D) 10.76
- 19. Solve. 172.95 x 1000 =
A) 0.17295
B) 1.7295
C) 17,295
D) 172,950
A) 30.175
B) 3.0175
C) 1/1000 of the size
D) 3.1
A) 780.5
B) 7.805
C) 0.7805
D) 7805
- 22. What is the product? 809 x 62 =
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